<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>UserInfo</title>
    <!-- 新 Bootstrap4 核心 CSS 文件 -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">

    <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>

    <!-- bootstrap.bundle.min.js 用于弹窗、提示、下拉菜单，包含了 popper.min.js -->
    <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>

    <!-- 最新的 Bootstrap4 核心 JavaScript 文件 -->
    <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div id="modifyUser">
    <form name="modifyUser">
        <div class="form-group">
            <label for="id">ID:</label>
            <input type="text" class="form-control" name="id" id="id" th:value="${username.getId()}" disabled>
        </div>
        <div class="form-group">
            <label for="name">name:</label>
            <input type="text" class="form-control" name="name" id="name" th:value="${username.getUsername()}">
        </div>
        <div class="form-group">
            <label for="pwd">Password:</label>
            <input type="text" class="form-control" name="pwd" id = "pwd" th:value="${username.getPassword()}">
        </div>
        <div class="form-check">
            <label for="role">role:</label>
            <select class="form-control" name="role" id = "role" th:value="${username.getRole()}">
                <option th:selected="${username.getRole()=='admin'}" value = "admin">admin</option>
                <option th:selected="${username.getRole()=='user'}" value = "user">user</option>
            </select>
        </div>
    </form>
    <button id = "modify">ModifyUser</button>
</div>
<script >
    //字符串判空方法
    function isBlank(str){
        if(str == "" || str == null || str == undefined){
            return true;
        }else {
            return false;
        }
    }
    //添加用户js响应事件
    $("#modify").click(function(){
        var id = $("#id").val();
        var name = $("#name").val();
        var password = $("#pwd").val();
        var role = $("#role").val();
        //判断是否有未填项
        if(isBlank(name) || isBlank(password) || isBlank(role)){
            window.confirm("请完善信息");
        }else {
            var param = {
                "id": id,
                "username": name,
                "password": password,
                "role": role
            };
            $.ajax({
                url:"/modifyUser", //请求url
                data: param,    //请求参数
                async: true,    //是否异步
                success: function f(result) {
                    window.confirm(result.msg); //修改用户信息成功提示框
                    location.href = "users";    //重新加载界面，同步数据库信息
                }
            });

        }

    });
</script>
</body>
</html>